diff options
| -rw-r--r-- | gnu/build/shepherd.scm | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/gnu/build/shepherd.scm b/gnu/build/shepherd.scm index 9d9bfcfbc0..4ead27be0b 100644 --- a/gnu/build/shepherd.scm +++ b/gnu/build/shepherd.scm @@ -33,7 +33,6 @@ %precious-signals) #:autoload (shepherd system) (unblock-signals) #:export (default-mounts - make-forkexec-constructor/container fork+exec-command/container)) ;;; Commentary: @@ -101,27 +100,6 @@ (file-exists? (file-system-mapping-source mapping))) mappings))))) -(define* (read-pid-file/container pid pid-file #:key (max-delay 5)) - "Read PID-FILE in the container namespaces of PID, which exists in a -separate mount and PID name space. Return the \"outer\" PID. " - (match (container-excursion* pid - (lambda () - ;; XXX: Trick for Shepherd 0.9: prevent 'read-pid-file' from - ;; using (@ (fibers) sleep), which would try to suspend the - ;; current task, which doesn't work in this extra process. - (with-continuation-barrier - (lambda () - (read-pid-file pid-file - #:max-delay max-delay))))) - (#f - ;; Send SIGTERM to the whole process group. - (catch-system-error (kill (- pid) SIGTERM)) - #f) - ((? integer? container-pid) - ;; XXX: When COMMAND is started in a separate PID namespace, its - ;; PID is always 1, but that's not what Shepherd needs to know. - pid))) - (define* (exec-command* command #:key user group log-file pid-file (supplementary-groups '()) (directory "/") (environment-variables (environ))) @@ -144,74 +122,6 @@ shepherd (PID 1)." #:directory directory #:environment-variables environment-variables)) -(define* (make-forkexec-constructor/container command - #:key - (namespaces - (default-namespaces args)) - (mappings '()) - (user #f) - (group #f) - (supplementary-groups '()) - (log-file #f) - pid-file - (pid-file-timeout 5) - (directory "/") - (environment-variables - (environ)) - #:rest args) - "This is a variant of 'make-forkexec-constructor' that starts COMMAND in -NAMESPACES, a list of Linux namespaces such as '(mnt ipc). MAPPINGS is the -list of <file-system-mapping> to make in the case of a separate mount -namespace, in addition to essential bind-mounts such /proc." - (define container-directory - (match command - ((program _ ...) - (string-append "/var/run/containers/" (basename program))))) - - (define auto-mappings - `(,@(if log-file - (list (file-system-mapping - (source log-file) - (target source) - (writable? #t))) - '()))) - - (define mounts - (append (map file-system-mapping->bind-mount - (append auto-mappings mappings)) - (default-mounts #:namespaces namespaces))) - - (lambda args - (mkdir-p container-directory) - - (when log-file - ;; Create LOG-FILE so we can map it in the container. - (unless (file-exists? log-file) - (close (open log-file (logior O_CREAT O_APPEND O_CLOEXEC) #o640)) - (when user - (let ((pw (getpwnam user))) - (chown log-file (passwd:uid pw) (passwd:gid pw)))))) - - (let ((pid (run-container container-directory - mounts namespaces 1 - (lambda () - (exec-command* command - #:user user - #:group group - #:supplementary-groups - supplementary-groups - #:pid-file pid-file - #:log-file log-file - #:directory directory - #:environment-variables - environment-variables))))) - (if pid-file - (if (or (memq 'mnt namespaces) (memq 'pid namespaces)) - (read-pid-file/container pid pid-file - #:max-delay pid-file-timeout) - (read-pid-file pid-file #:max-delay pid-file-timeout)) - pid)))) - (define* (fork+exec-command/container command #:key pid #:allow-other-keys |